<template>
  <div>
     <ul>
      <li v-for="item in arr" :key="item">{{item2}}</li>
     </ul>
     <button>走一走</button>
   </div>
</template>
 
<script>
export default {
  name: "",
  components: {},
  props: {},
  data() {
    return {
      arr=[`帅哥`,`美女`,`程序员`]
    };
  },
  computed: {},
  watch: {},
  created() {},
  methods: {}
};
</script>

<style scoped>
     
</style>